KR930006480A - Liquid crystal display panel with improved contrast - Google Patents

Liquid crystal display panel with improved contrast Download PDF

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Publication number
KR930006480A
KR930006480A KR1019920016435A KR920016435A KR930006480A KR 930006480 A KR930006480 A KR 930006480A KR 1019920016435 A KR1019920016435 A KR 1019920016435A KR 920016435 A KR920016435 A KR 920016435A KR 930006480 A KR930006480 A KR 930006480A
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South Korea
Prior art keywords
liquid crystal
crystal display
display panel
substrate
elements
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KR1019920016435A
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Korean (ko)
Inventor
테리 제이. 쉐퍼
크루트 알. 문손
알리 알. 코너
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원본미기재
인 포커스 시스템즈 인코포레이티드
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Publication of KR930006480A publication Critical patent/KR930006480A/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134336—Matrix

Abstract

로우와 컬럼전극들의 중첩영역들에 의해 한정된 복수의 화소들을 갖는 LCD와 같은 비방사 평판넬 표시장치는 전극들을 전기적으로 쇼트시킴이 없이 화소간 공간들 또는 갭들을 통해 누설되는 광을 차단하도록 신규한 마스크 배치를 갖고 있으며, 광차단 마스크는 2부분으로 분할되어 있으며, 각 기판상에 증착되어 대향 기판상의 전극간 갭들을 통해 투과 되는 광을 차단시킴으로써 표시장치의 콘트라스 트비가 개선될 수 있다.Non-radiative flat panel displays such as LCDs having a plurality of pixels defined by overlapping regions of row and column electrodes are novel to block light leaking through inter-pixel spaces or gaps without electrically shorting the electrodes. The light blocking mask is divided into two parts, and the contrast ratio of the display device can be improved by blocking light transmitted through the inter-electrode gaps on the opposing substrates.

Description

콘트라스트가 개선된 액정 표시판넬Liquid crystal display panel with improved contrast

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명을 실시하는 액정표시 판넬부의 확대 전개 등대도,1 is an enlarged development lighthouse of the liquid crystal display panel according to the present invention;

제2도는 제1도의 액정 표시판넬의 확대 평면도,2 is an enlarged plan view of the liquid crystal display panel of FIG.

제3도는 제2도의 선 3-3에서 본 액정표시 패널의 단면도.3 is a cross-sectional view of the liquid crystal display panel seen from the line 3-3 of FIG.

Claims (14)

적어도 하나가 투명한 한쌍의 격리 대향된 기판들의 각각위에 격리된 전극들의 증첩 패턴들을 가지며 상기 기판들간에 광전 물질이 배치되고, 상기 전극들은 상기 중첩 영역들에서 복수의 화소들을 한정하는 비방사 평판네 표시장치에 있어서, 상기 기판쌍중 다른 기판위에 전극들간의 공간들을 증첩하는 상기 기판쌍중 한 기판위에 형성되는 복수의 마스크소자들과, 상기 한 기판상의 전극들간의 공간들을 증첩하는 상기 다른 기판상에 형성되는 복수의 마스크소자들을 포함하며, 그에 의해 전극들간의 공간들내의 상기 투명 기판을 통해 투과되는 광이 차단되는 것이 특징인 콘트라스트가 개선된 액정 표시판넬.A non-radiative flat panel display in which at least one has overlapping patterns of electrodes isolated on each of a pair of transparent opposing substrates and a photoelectric material is disposed between the substrates, the electrodes defining a plurality of pixels in the overlapping regions An apparatus, comprising: a plurality of mask elements formed on one of the substrate pairs that overlap spaces between electrodes on another substrate of the pair of substrates, and on the other substrate that spaces the spaces between electrodes on the one substrate; And a plurality of mask elements formed, whereby light transmitted through the transparent substrate in the spaces between the electrodes is blocked. 제1항에 있어서, 상기 마스크소자들은 300A-1∼10, 10,000A 두께의 금속인 것이 특징인 콘트라스트가 개선된 액정표시판넬.The liquid crystal display panel with improved contrast of claim 1, wherein the mask elements are 300A-1 to 10, 10,000A thick metals. 제1항에 있어서, 상기 마스크소자들은 약 600A 두께의 금속인 것이 특징인 콘트라스트가 개선된 액정표시판넬.The LCD of claim 1, wherein the mask elements are about 600 A thick metal. 제1항에 있어서, 상기 마스크소자들은 크로뮴인 것이 특징인 콘트라스트가 개선된 액정표시판넬.The liquid crystal display panel of claim 1, wherein the mask elements are chromium. 제4항에 있어서, 상기 크롬뮴은 부분적으로 산화된 것이 특징인 콘트라스트가 개선된 액정표시판넬.5. The liquid crystal display panel of claim 4, wherein the chromium is partially oxidized. 제1항에 있어서, 상기 마스크 소자들은 알미늄인 것이 특징인 콘트라스트가 개선된 액정표시판넬.The liquid crystal display panel of claim 1, wherein the mask elements are aluminum. 제1항에 있어서, 상기 마스크소자의 너비의 대향기판상의 전극들간의 공간보다 5∼50% 더 큰 것이 특징인 콘트라스트가 개선된 액정표시판넬.The liquid crystal display panel with improved contrast according to claim 1, wherein the width of the mask element is 5 to 50% larger than the space between the electrodes on the opposing substrate. 제1항에 있어서, 상기 마스크소자의 너비는 대향기판상의 전극들간의 공간보다 약 25%더 큰 것이 특징인 콘트라스트가 개선된 액정표시판넬.The liquid crystal display panel of claim 1, wherein the width of the mask element is about 25% larger than the space between the electrodes on the opposing substrate. 제1 및 제2 격리 대향기판을 가지며, 적어도 한 기판은 투명하며, 광학적 정렬로 배치되며 상기 제1기판상의 제1 패턴에 그리고 상기 제2 기판상의 제2 패턴에 배치된 전국들에 의한 한정된 복수의 화소들을 갖는 비방사평판넬 표시장치에 있어서, 상기 제1 가판상의 상기 각 전국들간의 복수의 제1 전극간 갭들 및 상기 제2 기판상의상기 전극들간의 복수의 제2 전극간 갭들과, 상기 전극간 갭들으 통한 광투과를 차단하기 위해 상기 제1 전극패턴에 입력되는 제1 소자들과 상기 제2전극패턴에 입력되는 제2 소자들을 갖는 수단을 포함하며, 상기 제1소자들은 상기 제1 전극간 갭들에 상응하도록 배치되며, 상기 제2소자들은 상기 제1 전극간 갭들에 상응하도록 배치하는 것이 특징인 콘트라스트가 개선된 액정표시판넬.At least one substrate having a first and a second isolation opposing substrate, the at least one substrate being transparent, arranged in optical alignment and defined by nations arranged in a first pattern on the first substrate and in a second pattern on the second substrate A non-radiative flat panel display device having pixels of: A plurality of first inter-electrode gaps between the respective nations on the first substrate and a plurality of second inter-electrode gaps between the electrodes on the second substrate; Means for having first elements input to the first electrode pattern and second elements input to the second electrode pattern to block light transmission through the intergap gaps, the first elements being the first electrode The liquid crystal display panel with improved contrast, wherein the second elements are disposed to correspond to the gaps between the gaps, and the second elements correspond to the gaps between the first electrodes. 제9항에 있어서, 상기 차단수단의 상기 소자들은 크롬뮴 또는 알미늄으로부터 선택된 금속을 포함하는 것이 특징인 콘트라스트가 개선된 액정표시판넬.The liquid crystal display panel of claim 9, wherein the elements of the blocking means comprise a metal selected from chromium and aluminum. 제9항에 있어서, 상기 차단수단의 소자들은 일부 산화된 크롬뮴인 것이 특징인 콘트라스트가 개선된 액정표시판넬.10. The liquid crystal display panel of claim 9, wherein the elements of the blocking means are partially chromium oxide. 제9항에 있어서, 상기 차단수단의 상기 소자들은 약 600A의 두께를 갖는 증착된 금속층을 포함하는 것이 특징인 콘트라스트가 개선된 액정표시판넬.10. The liquid crystal display panel of claim 9, wherein the elements of the blocking means comprise a deposited metal layer having a thickness of about 600 A. 평행 격리된 기판들의 대향면들상에 배치된 복수의 투명전극들의 증첩에 의해 한정되고 또한 전극간 갭들에 의해 분리된 복수의 화소들과 상기 전극간 갭들을 통해 광투과를 차단하기 위해 상기 투명 전극들의 선택된 부분들위에 배치되는 불투명재로 된 복수의 소자들을 포함하는 것이 특징인 콘트라스트가 개선된 액정표시판넬.The transparent electrode to block light transmission through the plurality of pixels and the inter-electrode gaps defined by the deposition of a plurality of transparent electrodes disposed on opposing surfaces of the parallel-isolated substrates and separated by the inter-electrode gaps 10. An improved contrast liquid crystal display panel comprising a plurality of elements of opaque material disposed over selected portions of the light source. 제13항에 있어서, 상기 표시장치는 액정표시 패널인 것이 특징인 콘트라스트가 개선된 액정표시판넬.The liquid crystal display panel of claim 13, wherein the display device is a liquid crystal display panel. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920016435A 1991-09-11 1992-09-09 Liquid crystal display panel with improved contrast KR930006480A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75788691A 1991-09-11 1991-09-11
US07/757,886 1991-09-11

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EP0532311A1 (en) 1993-03-17
JPH05203974A (en) 1993-08-13
US5367390A (en) 1994-11-22

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